This task was created to conduct experimental investigation of the indicators colour in different solutions and applying this knowledge for acid/base detection in the unknown solutions
equipment: spawner, destroyer, tablet
glassware and items: erlenmeyer flask 250 ml
liquids and solutions: H₂O, HCl 0.1M, NaOH 0.1M
indicators: phenolphthalein, methyl orange, litmus, bromothymol blue
test zone (autochecker) labels (from left to right): "pH > 8 (basic)", "pH = 6-8 (neutral)", "pH < 8 (acidic)"